A game put together to illustrate to my school students how these types of games can be created. It has examples of the techniques they might want to use in their first attempts at building a game.
Let us begin.......
You wake up with a crashing headache and the sound of alarm sirens blaring.
Where are you and what is going on.....
You are not logged in.
If you log in before playing, you'll be able to save your progress - which means you can come back later and pick up where you left off.